After an amazing five-year run that saw the Dow Jones Industrial Average(DJIA) increase in value fivefold, prices peaked at 381.17 on September3, 1929. The market then fell sharply for a month, losing 17% of its value on the initial leg down. Prices then recovered more than half of the losses over the next week, only to turn back down immediately afterwards. The decline then accelerated into the so-called "Black Thursday", October 24, 1929. A record number of 12.9million shares were traded on that day.